31321300012122 has 16 divisors (see below), whose sum is σ = 63217302778080. Its totient is φ = 10344649545072.

The previous prime is 31321300012091. The next prime is 31321300012153. The reversal of 31321300012122 is 22121000312313.

It is an interprime number because it is at equal distance from previous prime (31321300012091) and next prime (31321300012153).

It is a super-3 number, since 3×31321300012122³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23945947368 + ... + 23945948675.

It is an arithmetic number, because the mean of its divisors is an integer number (3951081423630).

Almost surely, 2^{31321300012122} is an apocalyptic number.

31321300012122 is an abundant number, since it is smaller than the sum of its proper divisors (31896002765958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31321300012122 is a wasteful number, since it uses less digits than its factorization.

31321300012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47891896157.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31321300012122 its reverse (22121000312313), we get a palindrome (53442300324435).

The spelling of 31321300012122 in words is "thirty-one trillion, three hundred twenty-one billion, three hundred million, twelve thousand, one hundred twenty-two".